Hard Reset SONY Xperia J ST26i Hard Reset
https://gsmfixer.blogspot.com/2016/01/hard-reset-sony-xperia-j-st26i-hard.html
At very First Step, Switch off your cell phone.
Then navigate to Settings -> Backup & reset -> Factory Data Reset -> Reset Phone -> Erase everything.
Now accept all informations.
Yuppie! Done!
Hard Reset by hardware keys method:
Power off your device.
Press and hold simultaneously Power button + Volume Up for about few seconds, or until you see menu of your screen.
Now Follow the instructions on your screen, and confirm operations.
Power off your device.
Press and hold simultaneously Power button + Volume Up for about few seconds, or until you see menu of your screen.
Now Follow the instructions on your screen, and confirm operations.